对于具有复杂边界和材料特性的连续体,采用有限单元法进行应力分析已得到广泛的应用.为解析法向离散法的发展,提供了一个强有力的工具;但由于,将连续体剖分为极多的离散的单元,相应要耗费大量人力与时间来进行输入数据的准备和输出数据的整理,而实际上往往只有少量数据是直接需要的;并且,由于未知数是非常之多,计算机的容量就往往无法实现,或者因计算时间太长以致不经济;而传统的解析方法则无需 For the continuum with complex boundary and material properties, the finite element method for stress analysis has been widely used. It provides a powerful tool for the analysis of the development of the normal-discrete method; however, due to the splitting of continuum A large number of discrete units correspondingly spend a lot of manpower and time to prepare the input data and organize the output data. In reality, only a small amount of data is directly needed; and, because the number of unknowns is very large, the capacity of the computer It is often impossible to achieve, or because the calculation time is too long to be economical; traditional analytical methods do not require